This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A beautifully eclectic mix of architectural styles.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

Hans Christian Andersen for the postmodern world.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This sublime architectural marvel is a rare example of an expressionist church.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Copenhagen's celebrated theme park and gardens.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Started as a kitchen garden, now the second largest botanical garden in the world.

A collection of abandoned typographic signs from Berlin and beyond.

The most visited, and possibly most controversial, museum in Germany.

Former hunting lodge of a duke who was an avid collector of impressionist works.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The curious underground history of keeping Paris clean.

A surrealist timepiece by the artist of melting clocks.

Unique antiquarian shop specializing in globes, maps, and prints.